Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ6JJ callsign genealogy
Currently held by Cook, Gerald L
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KJ6JJ's current licensee, walking backwards.
- Cook, Gerald LCAgranted 2012-06-19cancelled 2012-11-27
Successor callsigns
Callsigns held now by people who previously held KJ6JJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KJ6JJ, oldest first.
- PHILLIPS JR, WILLIAM G CA1994-02-15 → cancelled 2006-02-16
- Cook, Gerald L AZ2022-10-12 active